package hello;

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import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

/**
 * @author Marina
 */
public class calc extends MIDlet implements CommandListener{
    Display display;

    TextBox input;
    Alert alert;
    Form form;
    TextField textfield1;
    TextField textfield2;
    TextField textfield3;
    Alert gpaAlert;


    static final Command backCommand =new Command("Back", Command.BACK, 0);
    static final Command exitCommand =new Command("Exit", Command.EXIT, 2);
    static final Command submitCommand =new Command("Check", Command.OK, 3);

 public void startApp() {
 }
  public void pauseApp() {
    }
  public void destroyApp(boolean unconditional) {
    }

    public void commandAction(Command c, Displayable d) {
        throw new UnsupportedOperationException("Not supported yet.");
    }
 }